Loop | Guide to Deep Sleep

The architecture of deep rest

Sleep isn't just a passive state. It's an active metabolic skill. Master the variables of recovery with precision.

Caffeine Half-Life

Coffee has a 6-hour half-life. A cup at 4 PM is 50% active at 10 PM. Stop intake by noon to save your deep sleep.

Light Hygiene

Melatonin hates blue light. Enable "Night Shift" after sunset. Darkness signals to your biology that recovery has begun.

The 3-Hour Fast

Digestion requires high energy. Eating close to bedtime raises your heart rate and blocks Deep Sleep. Stop eating 3 hours before bed.

Digital Detox

Put your phone away 60 minutes before sleep to silence the noise and protect your mental peace.

Thermoregulation

Drop it like it's hot. Your core body temperature needs to decrease by 2-3°F to initiate deep sleep. Set your thermostat to 65-68°F (18°C).

Loop Band

You can't manage what you don't measure. Loop tracks Sleep Stages, HRV, and SpO2 silently, without screens to distract you.

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Common Questions

Find answers to the most common questions about the Loop Band and your sleep recovery. Use these simple insights to optimize your nightly routine and start waking up feeling truly refreshed.

What is a good Sleep Score?

A score above 85 is considered optimal. This usually requires 7-8 hours of total sleep, with at least 1.5 hours of Deep Sleep and 1.5 hours of REM sleep.

Why am I tired after 8 hours?

Quantity ≠ Quality. You likely missed "Deep Sleep" cycles due to high room temperature, alcohol, or a late meal. Loop helps you pinpoint the cause.

How does Loop measure recovery?

Loop analyzes your Heart Rate Variability (HRV) during sleep. A high HRV indicates your nervous system is balanced and ready for strain. A low HRV suggests you need rest.

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