I Shock Myself on Purpose to Wake Up - Why, and Experts' Advice

I use a wearable gadget called the Pavlok Shock Clock to wake up. Yes, I really wake up via electric shock by choice. 

Why waking up super early like Tim Cook won't make you more successful

I Shock Myself on Purpose to Wake Up - Why, and Experts' Advice

When Should You Wake Up? - eachnight

How Hard Is It to Wake Up in the Morning? - The New York Times

Sharing a Bed With a Restless Sleeper: How Couples Can Sleep Better - The New York Times

Panic Disorder: When Fear Overwhelms - National Institute of Mental Health (NIMH)

Seizure: What It Is, Causes, Symptoms & Types

How to Change Your Annoying Alarm to a Favorite Song or Artist

Secret Weapons for Restless Nights, According to Wirecutter's Sleep Journalist

Why Do I Keep Waking Up At 3 AM? Spiritual Reasons