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.

Episode Duration: 56 minutes and 46 seconds

Episode Number: 4704

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


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

Mon, Jul 22 1:00 A.M. Ancient Maya Metropolis     NH Explore (11.2)
Wed, Jul 24 10:00 P.M. Sunken Ship Rescue     NHPBS (11.1)
Thu, Jul 25 2:00 P.M. Sunken Ship Rescue     NH Explore (11.2)
Fri, Jul 26 2:00 P.M. Sunken Ship Rescue     NHPBS (11.1)
Fri, Jul 26 3:00 P.M. Dinosaur Apocalypse: The New Evidence     NHPBS (11.1)
Fri, Jul 26 4:00 P.M. Dinosaur Apocalypse: The Last Day     NHPBS (11.1)
Sat, Jul 27 1:00 P.M. Sunken Ship Rescue     NH Explore (11.2)
Sun, Jul 28 12:00 A.M. Sunken Ship Rescue     NHPBS (11.1)
Sun, Jul 28 3:00 A.M. Sunken Ship Rescue     NH Explore (11.2)
Sun, Jul 28 9:00 P.M. Sunken Ship Rescue     NH Explore (11.2)
Mon, Jul 29 1:00 A.M. Sunken Ship Rescue     NH Explore (11.2)
Tue, Jul 30 7:00 P.M. Sunken Ship Rescue     NH World (11.3)
Wed, Jul 31 12:00 A.M. Sunken Ship Rescue     NH World (11.3)
Wed, Jul 31 8:00 A.M. Sunken Ship Rescue     NH World (11.3)
Wed, Jul 31 10:00 P.M. Operation Bridge Rescue     NHPBS (11.1)
Thu, Aug 1 2:00 P.M. Operation Bridge Rescue     NH Explore (11.2)


NHPBS Over-the-Air Broadcast

WENH-TV Ch. 11 Durham

WLED-TV Ch. 48 Littleton

WEKW-TV Ch. 18 Keene

W50DP-D Ch. 50 Hanover

W34DQ-D Ch. 34 Pittsburg

Cable and Satellite Channels


NHPBS Five Channels

NHPBS - 11.1

NH Explore - 11.2

NH World - 11.3

NH Create - 11.4

NH Kids - 11.5

Learn More


NHPBS NHPBS Passport Passport

Grantchester | Episode 1
Dynamic Planet | Ice
America ReFramed | Como Vivimos (How We Live)
Professor T | Heir to the Throne
D.I. Ray | Rivals
Local, USA | Public Enemies, Private Friends
Disco: Soundtrack of a Revolution | Rock the Boat
Pompeii: The New Dig | Episode 3
My Music with Rhiannon Giddens | Episode 6
Antiques Roadshow | I Was There
Great Performances | Purlie Victorious
Nature | Wild Ireland: Kingdom of Stone
After Action | Serving with Pride
Poetry in America | Steps
The Ghost Army | The Ghost Army
Photographic Justice: The Corky Lee Story | Photographic Justice: The Corky Lee Story
MaryLand | Episode 3
Guilt | Episode 2
American Experience | The Riot Report
Art Happens Here with John Lithgow | Art Happens Here with John Lithgow
AfroPoP: The Ultimate Cultural Exchange | Freedom Hill
American Masters | The Incomparable Mr. Buckley (ASL)
Changing Planet | Coral Special
Independent Lens | One With the Whale
Through Our Eyes | Uprooted
Next at the Kennedy Center | Joshua Redman where are we
Julius Caesar: The Making of a Dictator | Ides of March
The Real Story of Mr Bates vs The Post Office | The Real Story of Mr Bates vs The Post Office
Mr Bates vs The Post Office | Episode 1
Finding Your Roots | Viewers Like You
Gershwin Prize | Elton John and Bernie Taupin: Gershwin Prize