Health 11/02/2026 23:22

Sleep Starts Earlier Than You Think: How Your Body Prepares for Rest

Many people treat sleep as a switch — something that happens the moment your head meets the pillow.

But biologically, sleep is more like a landing sequence than a light switch.

Your body begins preparing for rest hours before bedtime.
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Early Signals You Might Miss

As evening approaches, several subtle shifts occur:

Core body temperature gradually drops

Melatonin begins rising

Alertness hormones decline

Brain activity changes rhythm

When these processes align, sleep often arrives more naturally.

Why Falling Asleep Sometimes Feels Hard

Modern lighting and screen exposure can blur the boundary between day and night, sending mixed signals to the brain.
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Late stimulation — bright light, intense work, constant notifications — may delay the body’s transition into sleep readiness.

The result can be that familiar experience of feeling tired but oddly awake.

Supporting Your Brain’s Night Mode

Think of the evening as a runway.

Helpful habits include:

Dim the lights. Lower illumination tells the brain night is approaching.
Reduce stimulation. Gentle activities help the nervous system shift gears.
Keep timing consistent. Regular sleep windows strengthen circadian rhythm.
Create a wind-down ritual. Repetition signals safety and predictability.
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Sleep quality often begins long before the moment you lie down.

When the brain receives clear cues, it doesn’t have to struggle to power off.

Because better sleep isn’t only about when you go to bed…

It’s about how well you prepare for the descent.

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