# To sleep, perchance to dream: Why do we and other animals sleep?

- Institution: Gresham College
- Speaker: Professor Keith Kendrick
- Year: 2004
- Level: For everyone
- Language: English
- Subjects: Biology, Medicine and health
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/sleep-perchance-dream-why-do-we-and-other-animals-sleep)
- Licence: [Educational use (Gresham College's terms)](https://www.gresham.ac.uk/terms-and-conditions)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Sleep seems to be a universal imperative for all animal species, a fact that has been accepted by mankind for two and a half thousand years!

## Lectures

1. [To sleep, perchance to dream: Why do we and other animals sleep?](https://invisiblenetwork.ai/learn/gresham/sleep-perchance-dream-why-do-we-and-other-animals-sleep/d335f8ea0b36) (YouTube)