Nyxtune

How to keep a consistent wake-up time, and check it with a sleep diary

Published: 2026-10-30

Getting up at the same time every morning is one of the instructions used in stimulus control, a part of CBT-I (cognitive behavioral therapy for insomnia). The NHS also advises waking up and getting out of bed at the same time every day, and not sleeping in after a bad night.

How to keep it up

  • Use the same time on weekends. Try not to change your wake-up time on days off.
  • Pick a time you can actually keep. Base it on when you have to get up on weekdays.
  • Get up on time after a bad night. Don't try to make up for lost sleep in the morning.

Checking it with a diary

A sleep diary shows whether your wake-up time is actually consistent. Record for one to two weeks and look at how much the time varies.

Nyxtune shows a daily timeline based on your target wake-up time, and you can review trends in your sleep time and time to fall asleep from your morning entries.

When to get help

Talk to a doctor if shift work makes a fixed time impossible, or if poor sleep continues and affects your daytime life.

Keep your sleep diary on a screen that is easy on the eyes at night

Nyxtune is an iPhone app for keeping a sleep diary, based on the diary used in CBT-I. Log when you went to bed, when you woke up, how long it took to fall asleep, and how often and how long you woke up in the night. Rough estimates are fine. As your records build up, you can review charts of your sleep time and time to fall asleep.

View on the App Store

For iPhone (iOS 15 or later). Free to download. All features except initial setup require a paid auto-renewing subscription (Nyxtune Core).

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