Mysteries of Sleep -
nova

Like virtually every other animal, humans need sleep to survive. But why? Scientists peer into the brain to see what happens while we snooze and understand the powerful role that sleep - or lack of it - plays in memory, trauma and emotion regulation.

Duration: 56 minutes and 46 seconds

Episode Number: 4704

No future air times were found for this episode.

About Nova:

PBS' premier science series helps viewers of all ages explore the science behind the headlines.

Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

Watch Nova - Clips, Episodes & Previews

How Trauma Can Alter Your Biology

Mysteries of Sleep Preview

Lice and Human Evolution

Profile: Andre Fenton

What's the Next Big Thing? Preview

Replacing Body Parts

Future Broadcast times for "Nova": (show all)

Fri, May 30	3:00 P.M.	Decoding The Universe: Quantum NHPBS (11.1)
Tue, Jun 3	7:00 P.M.	The Planets: Ice Worlds NH World (11.3)
Wed, Jun 4	12:00 A.M.	The Planets: Ice Worlds NH World (11.3)
Wed, Jun 4	8:00 A.M.	The Planets: Ice Worlds NH World (11.3)
Wed, Jun 4	2:00 P.M.	The Planets: Ice Worlds NH World (11.3)
Tue, Jun 10	7:00 P.M.	Decoding The Universe: Quantum NH World (11.3)
Wed, Jun 11	12:00 A.M.	Decoding The Universe: Quantum NH World (11.3)
Wed, Jun 11	8:00 A.M.	Decoding The Universe: Quantum NH World (11.3)
Wed, Jun 11	9:00 P.M.	Extreme Airport Engineering NHPBS (11.1)
Wed, Jun 11	10:00 P.M.	London Super Tunnel NHPBS (11.1)
Thu, Jun 12	1:00 A.M.	Extreme Airport Engineering NHPBS (11.1)
Thu, Jun 12	2:00 A.M.	London Super Tunnel NHPBS (11.1)
Fri, Jun 13	4:00 A.M.	Extreme Airport Engineering NHPBS (11.1)
Fri, Jun 13	3:00 P.M.	Extreme Airport Engineering NHPBS (11.1)
Fri, Jun 13	4:00 P.M.	London Super Tunnel NHPBS (11.1)
Sun, Jun 15	12:00 A.M.	London Super Tunnel NHPBS (11.1)