About This Book
'Astonishing ... an amazing book ... absolutely chocker full of things that we need to know' Chris Evans 'Matthew Walker is probably one of the most influential people on the planet' Evening Standard THE #1 SUNDAY TIMES BESTSELLER TLS, OBSERVER, SUNDAY TIMES, FT, GUARDIAN, DAILY MAIL AND EVENING STA...
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Reading Time Estimates
10h 43m
slow reader
180 WPM
7h 43m
average reader
250 WPM
5h 31m
fast reader
350 WPM
π 115,775 wordsπ
16 days at 30 min/day
How Long Will It Take You?
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Get your personal reading time for "Why We Sleep"
Take a 60-second speed test β we'll calculate how long this book will take you
WPM
Reading time
7 h 43 min
at 250 words per minute
Audiobook (1.5x)
8 h 35 min
at 1.5x narration speed
Audio 1x
12 h 52 min
Audio 2x
6 h 26 min
That's about:
- π 16 daysΒ reading 30 min/day
- π16 commutesΒ of 30 min each


