Why does a fixed wake time matter most?
Short answer
Because your body clock is set mainly by when you wake and see light. Getting up at the same time every day, weekends included, is one of the most reliable ways to make falling asleep at night easier.
Key points
- Your wake time anchors your body clock; bedtime follows it.
- Keep free-day wake times within about an hour of workdays.
- Pick a time you can keep every day, not your earliest possible one.
How it works
Your body clock runs on a roughly 24-hour cycle and is kept in step with the day mainly by light reaching your eyes. When you wake at the same time every day, sleepiness starts to arrive at a predictable time in the evening, and falling asleep gets easier. The NHS advice for insomnia includes waking up and getting out of bed at the same time every day.
Why not fix bedtime instead
You cannot make yourself fall asleep, but you can make yourself get up. Going to bed early when you are not sleepy often means lying awake. A steady wake time builds sleepiness through the day, so bedtime takes care of itself.
Choosing your time
Pick the time your workdays need, and plan to keep it on days off too. A lie-in of more than an hour or so shifts your clock, and Monday morning feels like jet lag.
In your plan
Your plan builds around this wake time. If your current wake time is very different, it moves you towards the new one in small steps.
Related questions
Why does morning daylight help you sleep at night?
Light reaching your eyes is the main signal that keeps your body clock in step with the day. Getting outside soon after waking helps you feel alert earlier and sleepy earlier in the evening.
Read the full answerHow do I describe my current sleep pattern?
Give typical times, not your best night: when you go to bed, roughly when you fall asleep, and when you get up, for workdays and for days off. Plain words are fine.
Read the full answerWhat is a wind-down routine?
A wind-down is the same short sequence of calm, low-light activities before bed every night, so your body learns that sleep comes next.
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