A daily routine and daily exposure to sunlight help regulate sleep. Research backs this up and I see it in myself. My best sleeps come after days when I get up and out and do the things I do at the usual time.
Last night my sleep went off the rails, and I’m convinced the problem was at least partly related to light. Let me explain.
It may be true that the early bird gets the worm. But there’s no advantage to waking up before the birds—or so I’m told by insomnia sufferers who routinely wake up at 2:30 or 3 a.m. and can’t get back to sleep. It’s depressing to wake up too early night after night.
Here’s why early morning insomnia occurs and how to get your sleep cycle more in sync with daylight and darkness.