How many hours of sleep a night do I need?
How many hours of sleep do you need?
How much sleep do you really need? | Sleeping with Science, a TED series
Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF
What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
How to Stop Waking Up in the Middle of the Night- 6 Ways to Beat Insomnia Without Medication
What Happens to Your Body on Little Sleep?
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
If insomnia strikes in the second half of the night, I have some good news (and advice) for you
How to Only Sleep 2 Hours Per Day
Ep. 47: Sleeping Less Than 6 Hours? You're Probably Sleep Deprived | The Scope
How to fall back asleep in the middle of the night
Why you're still tired after getting 8 hours of sleep
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
How to FIX Your SLEEP Schedule in 5 DAYS or Less
Can You Sleep Too Much? (The Answer Might Surprise You)
How Much Sleep Should I Be Getting? | Is 6-8 Hours of Sleep Enough?
Why Humans Are Supposed to Sleep in Two 4-Hour Phases
Insomnia: why can't I sleep?
