3 examples from real videos — listen, replay, loop.
People with DSPD have a circadian rhythm significantly longer than 24 hours, putting their sleeping habits out of sync with traditional sleeping hours. So while they have difficulty falling asleep at a typical bedtime,
What causes insomnia? - Dan Kwartler
People with DSPD have a circadian rhythm significantly longer than 24 hours, putting their sleeping habits out of sync with traditional sleeping hours. So while they have difficulty falling asleep at a typical bedtime,
What causes insomnia? - Dan Kwartler
there is a tiny molecular clock ticking inside it. And to keep these millions of clocks in sync, we have one central body clock that is located in the brain,
Why Daylight Is the Secret to Great Sleep | Christine Blume | TED · TED
Whoop. With thousands of lights on and then off, all in sync. (Music and electric sounds)
How Dolly Parton led me to an epiphany | Jad Abumrad