Sleep Temperature Optimization (65°F Protocol)

What is Sleep Temperature Optimization (65°F Protocol)?

Keeping your bedroom at 65°F (18.3°C) for optimal sleep. Your core body temperature must drop 2-3°F to initiate sleep, and a cool room facilitates this. r/Biohacking users report that this single change — colder room, less clothing/blankets — improved their sleep quality more than any supplement. Combine with warm socks (paradoxically helps: vasodilates feet, pulls heat from core).

Is there evidence for it?

How do you do Sleep Temperature Optimization (65°F Protocol)?

1. 1.Set your thermostat to 65°F (18.3°C) for the bedroom, or as close as possible
2. 2.If you can't control temperature: use a fan, open a window, or sleep with fewer covers
3. 3.Wear minimal clothing to bed — let your skin thermoregulate naturally
4. 4.Paradoxical trick: wear warm socks. This vasodilates feet, pulling heat from your core faster
5. 5.Take a warm shower 60-90 minutes before bed — the subsequent cool-down triggers sleepiness
6. 6.Avoid heavy exercise within 2 hours of bed (raises core temperature)
7. 7.Advanced: cooling mattress pads (Eight Sleep, ChiliPad) for precise temperature control
8. 8.Track with a wearable: compare deep sleep minutes at different temperatures to find your optimum

How long does it take?

Zero — a one-time setup.

Is it hard to start?

Beginner.

> how Shift handles sleep

This is one entry from the library Shift matches against. It is general information, not advice about you, and nothing on this page came from anyone's conversation.