Most people think about sleep when tiredness catches up with them. Over the last decade, our family experience and conversations with customers have taught us to look further ahead: bedtime helps decide tomorrow’s energy, concentration, appetite, mood and resilience.
Customers often contact us after trying vitamins, herbs or diet changes to improve their energy. During the conversation, we may discover that they eat at 9.30pm, work under bright lights until midnight and wake at a different time each day. Supplements don't perform well around a confused body clock.
Daniel, our founder and lead researcher, puts the foundation simply:
Aim to sleep for eight hours, going to bed at around the same time every night.
If it suits you, bedtime between 10 and 11pm gives many adults a useful window for seven to nine hours of sleep. It also places the deepest, most physically restorative stages inside the darker and quieter part of the night.
Each person’s sleep timing varies more than we realise. In a study of 55,000 people, the earliest chronotypes were waking as the latest were only falling asleep, a natural difference of more than five hours. Age, daylight and daily demands can shift this rhythm, so the healthiest bedtime is not universal: it is one you can keep consistently while getting enough sleep.
In this article, we'll cover what your body repairs through each sleep cycle and how to protect those important hours.
Sleep moves through repeating cycles of light sleep, deep sleep and rapid eye movement, or REM sleep. Each cycle often lasts around 90 minutes, although the length varies. The first third of the night usually contains more deep sleep. REM periods become longer towards morning.
The times below describe someone who settles between 10 and 11pm and wakes between 6 and 7am. The stages will shift with the actual time they fall asleep. The body follows sleep cycles rather than assigning one organ to each exact hour.
Night repair starts with the body reading "evening signals".
As the surroundings become darker, the brain prepares the body for sleep. Melatonin rises, body temperature begins to fall, and the nervous system gradually moves towards a calmer state.
Bright ceiling lights, illuminated screens, late meals, and unfinished work can delay this transition. Evening light can maintain alertness and push natural melatonin timing later than these times.
Our customer Joanne changed the lighting in the rooms the family spends the evening:
“I avoid any harsh lights and changed my living room and bedroom bulbs to a warm light that won’t keep me awake. I feel sleepier at night now and go to bed no later than 10.30, no issue.”
This small but meaningful change gave her home a clear difference between active daytime and restorative night-time.
| Time | Action | How it helps | Optional support |
|---|---|---|---|
| 7-8pm | Finish the main evening meal | Gives digestion three to four hours to settle | Cal-M with food, according to the label |
| 8-9pm | Lower ceiling lights and use warm lamps | Gives the brain a clearer darkness signal | Fermented ashwagandha when stressed |
| Around 9pm | Complete demanding work | Reduces mental stimulation close to sleep | Write tomorrow’s tasks on paper to let them go for now |
| 9-10pm | Read, stretch, breathe slowly or take a warm shower | Helps the nervous system move towards rest | Fermented valerian or Night Aid when suitable |
| Before bed | Prepare a dark, quiet and comfortably cool room | Protects the first and deepest sleep cycles | Eye mask or earplugs where needed |
| 10-11pm | Go to bed when sleepy | Places enough sleep before the normal morning start | Follow one consistent routine |
A customer who wakes with indigestion may focus first on supplements, yet moving dinner from 9pm to 7pm can make the larger difference. Food provides energy and activates digestion. Earlier eating gives that work time to settle before deeper sleep begins.
Daniel recommends having the final meal three to four hours before bed. The NHS also advises avoiding a large meal late at night.
Light sleep starts the night as the brain switches off its attention to the surroundings and thoughts dissolve, the heart rate begins to slow, the breathing becomes more regular, muscles relax, and body temperature falls.
This early stage is easy to disturb: a closing door, excess heat, noise, a bright hallway or television changing volume can bring the brain back towards alertness.
A useful fact that many people miss is that brief awakenings between cycles form part of normal sleep. The problem is when a change in the environment or our minds turns a brief awakening into full alertness.
I fall asleep easily on the sofa, then feel wide awake after going upstairs.
We hear versions of this often. The first period of sleep started under one set of conditions. Walking upstairs, switching on lights, or remembering something awful changes things and the body gets tricked into daytime mode.
The key is to complete your bedtime routine consciously, before overwhelming sleepiness arrives. Enter the bedroom ready to stay there and prepare it for deep sleep.
This second cycle usually contains the greatest amount of deep, slow-wave sleep:
A surprising point is that the main growth-hormone rise relates closely to the beginning of deep sleep, rather than one fixed time on the clock. Someone who delays sleep also delays and may sabotage this important stage, which really matters especially for children but also for all adults after exercise, illness, emotional pressure, and daily activity. The body continuously dismantles worn proteins, builds replacements and maintains tissues, including on quieter days.
“I sleep for seven hours, but I wake feeling physically heavy.”
The number of hours tells only part of the story. Alcohol, late food, pain, temperature changes, noise and repeated interruptions can fragment the deeper stages. Someone may spend seven hours in bed while receiving much less continuous deep sleep.
The first three hours after falling asleep deserve careful protection. Keep the telephone away from the bed, reduce avoidable noise and allow the room to remain dark.
During this third phase, the body continues moving through deeper and lighter sleep.
Repeated short or disturbed nights can leave someone hungrier and more drawn to quick sources of energy the following day. This may feel like poor willpower, while the body is often trying to compensate for an incomplete night.
Our customer Mark noticed a related pattern when changing his evening routine:
Once I stopped eating late and started going for a short walk after dinner, I realised the evening snacks were not really hunger. It had just become a habit, a really bad habit that was keeping me awake longer.
Use morning daylight, suitable meals, hydration and gentle movement to build energy.
Daniel recommends keeping caffeine earlier in the day and eating the final meal three to four hours before bed. NHS guidance suggests leaving caffeine at least five to six hours before sleep when it causes difficulties, but the truth is the half-life of caffeine is 5 hours.
REM sleep increases as morning approaches. Brain activity increases, dreams often become more vivid and most large muscles remain relaxed. The brain continues organising memories, learning and processing emotional experiences.
This helps explain why a difficult problem can feel more manageable after a complete night: "let's sleep on it". Sleep has given the brain time to organise the information and process some of the emotion attached to it.
Cutting the final hour or two from sleep can remove a disproportionate amount of REM-rich sleep because REM periods become longer later in the night.
“I go to bed early, but I wake at 4 or 5am and start thinking.”
Lighter sleep and brief awakenings become more common towards morning. A horrible dream, looking at the clock, checking messages or switching on a bright light can turn a partial awakening into the start of the day.
We find it's best to keep the clock and phone out of direct view, turn off devices before sleep, and use slow breathing or any other relaxing technique when waking during this stage.
Towards morning, body temperature begins to rise. Cortisol follows its natural morning increase and helps prepare blood pressure, available energy, and alertness for waking.
Cortisol often receives a poor reputation because high levels can accompany prolonged stress. Its well-timed morning rise forms part of a healthy waking process when timing and balance are there.
REM sleep still takes a big part of this final cycle. A 10.30pm bedtime followed by a 4.30am alarm provides only six hours of sleep.
Most healthy adults need around seven to nine hours. A well-rested body becomes ready for daylight, food, movement, decisions and productive work.
Night-time darkness encourages rest and repair, whereas morning light and rising alertness support movement and action. Using the morning well makes it easier to respect the evening and it's the natural thing to do!
A complete night, like the one described above cycle by cycle, supports:
Morning light belongs in every effective sleep routine.
Light entering the eyes after waking suppresses remaining melatonin and resets the brain’s central clock. Regular morning daylight helps the body recognise the active part of the day. This clearer timing signal helps melatonin rise at an appropriate time the following evening. We suggest to:
Morning daylight and evening darkness form one complete instruction to the body clock. Simple and obvious, but contemporary life is so distracting we sometimes forget this and its consequences are not pleasant.
Once the main good habits above are in place, supplements may help you reach the right sleep rhythm faster.
Night Aid combines L-theanine, lemon balm, reishi, chamomile, ashwagandha, hops, schisandra, tryptophan, maca, inositol, selenium, magnesium and vitamin B6.
From a customer review:
Although early on, I must say that Night Aid appears to be helping me sleep better these days, having tried and tested many other remedies.
Organic fermented ashwagandha may suit people whose evening alertness is connected to pressure or stress.
Cal-M provides calcium and magnesium in a simple relaxation-focused formula.
Organic fermented valerian offers a focused herbal option for evening calm and settling.
Our comparison of sleep supplements provides more help with choosing.
Introduce one supplement at a time and follow its directions. Speak to a pharmacist or GP before use during pregnancy, breastfeeding, alongside medicines or when managing a health condition.
Sleep problems like persistent insomnia, loud snoring, choking or gasping during sleep, morning headaches, or severe daytime sleepiness deserve a proper checkup.
| Action | Practical target | Main benefit |
|---|---|---|
| Finish dinner earlier | Three to four hours before bed | Gives digestion time to settle |
| Lower the lights | Begin around 8 or 9pm | Supports the evening body-clock signal |
| Complete the day | Write down tomorrow’s tasks | Helps the mind release unfinished work |
| Prepare the bedroom | Dark, quiet and comfortably cool | Protects light and deep sleep |
| Protect the first three hours | Keep phones, noise and bright light away | Supports the main deep-sleep period |
| Allow enough sleep | Aim for seven to nine hours | Preserves both deep and REM sleep |
| Handle awakenings calmly | Leave the phone and clock alone | Helps the next cycle begin |
| Use morning light | Go outside soon after waking | Sets the timing for the next night |
| Keep the rhythm | Use similar waking and sleeping times | Strengthens the body clock |
| Add support carefully | Introduce one supplement at a time | Makes the response easier to judge |
Going to bed between 10 and 11pm gives most people a strong foundation for deep repair, but getting enough sleep every day is the top priority.
We can then aim for a clear daily rhythm: daylight and movement in the morning, food and activity during the day, softer light and calm in the evening, then darkness and enough time for meaningful repair.
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A mighty team of natural health researchers led by Daniel Perez Vidal. We follow strict selection criteria and test everything we retail, from ground-breaking food supplements to natural skincare products. Our main area of expertise is CBD.