Wake up sleepy head: why we fall asleep when we don't want to

7 Reasons You Can't Wake Up and How to Fix Them

Weird Feelings in my Head When Falling Asleep - Sleep Advisor

8 Cold and Flu Remedies for a Good Night's Sleep

You can't wake up if you don't fall asleep. : r/wesanderson

What Does Your Sleeping Position Say About You?

Sleep paralysis: 11 facts you need to know about sleep paralysis - The Economic Times

Why Some People Respond to Stress by Falling Asleep - The Atlantic

How to Go to Sleep Earlier

Brain Basics: Understanding Sleep National Institute of Neurological Disorders and Stroke