Horizon
Season 11 Episode 16 - The Secrets of Sleep
7.4 ?
1964
Documentary
Horizon investigates the subject of sleep in Britain and the USA.
Episodes in Season 11
1
A Matter of Self-Defense
60 min
2
Bird Brain - The Mystery of Bird Navigation
60 min
3
Never Too Late to Learn
60 min
4
The Great Fish Hunt
60 min
5
Pedal Power
60 min
6
The Writing on the Wall
60 min
7
Where Did the Colorado Go?
60 min
8
The Future Goes Boom
60 min
9
Fusion: The Energy Promise
60 min
10
The First Ten Years
60 min
11
This Yankee Dodge Beats Mesmerism Hollow
60 min
12
The Hunting of the Quark
60 min
13
A Noah's Ark for Europe
60 min
14
Bridges: When It Comes to the Crunch
60 min
15
Search for Life
60 min
16
The Secrets of Sleep
60 min
NOW PLAYING
17
Who Needs Skills?
60 min
18
Hills of Promise
60 min
19
The Race for the Double Helix
60 min
20
The Immigrant Doctors
60 min
21
Mines, Minerals and Men
60 min
22
What Price Steak?
60 min
23
Listen and Be Loyal
60 min
24
Adam or Eve?
60 min
25
An Unholy Scramble
60 min
26
Do as You Are Told
60 min
27
The First Signs of Washoe
60 min
28
The Other Way
60 min
29
The Greatest Advance Since the Wheel?
60 min
30
Joey
60 min
31
The Neglected Harvest
60 min
32
How on Earth Did They Do That?
60 min
33
The Lysenko Affair
60 min
