| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Why We Sleep: Unlocking the Power of Sleep and Dreams | Paperback | 978-1-5011-4432-5 (1-5011-4432-4) | 2018 |
| Why We Sleep: Unlocking the Power of Sleep and Dreams | Hardcover | 978-1-5011-4431-8 (1-5011-4431-6) | 2017 |
M.P. · M W · M. Walker · Matthew Walker · W.P.