Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired
| Country | USA |
| Binding | Kindle Edition |
| EISBN | 9781847653727 |
| Format | Kindle eBook |
| Label | Profile Books |
| Manufacturer | Profile Books |
| NumberOfPages | 292 |
| PublicationDate | 2011-09-30 |
| Publisher | Profile Books |
| ReleaseDate | 2011-09-30 |
| Studio | Profile Books |