
Sleep: Sleep Time
Clip: Special | 1m 4sVideo has Closed Captions
Which needs more sleep, dogs or cats?
You need a certain amount of sleep to stay healthy. But what about other mammals? How much do they need? Learn more sleep needs of creatures like giraffes, horses, dogs and cats.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.

Sleep: Sleep Time
Clip: Special | 1m 4sVideo has Closed Captions
You need a certain amount of sleep to stay healthy. But what about other mammals? How much do they need? Learn more sleep needs of creatures like giraffes, horses, dogs and cats.
Problems playing video? | Closed Captioning Feedback
Where to Watch Science Trek
Science Trek is available to stream on pbs.org and the PBS app.

- Science and Nature

Explore scientific discoveries on television's most acclaimed science documentary series.


New Episode






Recently Added

Support for PBS provided by:
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.
