HGPA

sleep

Sleep is absolutely essential.

TOOLS

Sleep Cycle alarm clock. iPhone and Android app. Also see How does it work?

REFERENCES

Sleep. Psychology Today.

The Secrets of Sleep. National Geographic.

How Sleep Deprivation Decays the Mind and Body. Seth Maxon. The Atlantic. December 30, 2013.

Filename: sleep.md (Edit)
Modified: 2016-08-19 (2c09846a38db8ad8f398aebb5d0852350f035a61)
Created: 2016-08-19 (2c09846a38db8ad8f398aebb5d0852350f035a61)