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CBT-I techniques

Sleep Window Basics

By [Author name, founder to supply] · 21 April 2026 · 1 min read

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What a sleep window is

A sleep window is the part of the night you set aside for being in bed. You choose it to sit close to the amount of sleep you are getting now.

Say you are in bed for nine hours but sleep for about five. The spare hours are often where the tossing and turning happen. Bringing the window closer to your real sleep can make the time in bed feel more solid and less broken up.

Easing into it

People start with a small trim to the window. They hold it for a week and watch how the nights settle before changing anything. The wake time stays the same, and the bedtime is what moves.

Expect a drowsier day or two at the start while the rhythm adjusts. This describes the idea and is not a plan made for you. Keep notes, and check in with a clinician if you feel very short of sleep or your days feel unsafe.

The free 1-page Sleep Reset guide covers the steady wake time that a sleep window is built around.

FAQ

Won't spending less time in bed leave me more tired?
Some drowsiness early on is common, so people start with a small trim and adjust slowly. If you feel unsafe, pause and speak to a clinician.

Before bed

Two small next steps

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Anchor Your Wake Time

Your body clock takes its strongest cue from when you get up. Keep that time steady and the rest of the night has something to fit around.