Circadian Rhythm: My Walk In The Sun Today

Ideally, I take a long walk towards the sun in both the morning and the evening.  I plan for 8 hours sleep,  and I take melatonin at night.  I dose it until I'm drowsy the next afternoon then back off 1mg that night.  It varies based on time of year and my health.  If I wake up too much at night I take more.

I explain more about this in the book.

Here's one from my 6pm walk at a park in Long Beach, CA today: