The forgotten medieval habit of 'two sleeps' - BBC Futurebbc.com/future/article/20220107-the-lost-medieval-habit-of-biphasic-sleep
For millennia, people slept in two shifts – once in the evening, and once in the morning. But why? And how did the habit disappear?
How to Sleep - The Atlantictheatlantic.com/magazine/archive/2017/01/how-to-sleep/508781/
Should you drink more coffee? Should you take melatonin? Can you train yourself to need less sleep? A physician’s guide to sleep in a stressful age.
Wakie.com — Social Alarm Clockwakie.com/
Make waking up a FUN part of your day! Wakie is a community of people waking people. Only the first 10K users would be able to join The Community.