Customer Review

Reviewed in Australia on 2 September 2019
This book scientifically explains the importance of sleep and the dangers of sleep deprivation. Matt chanllenges t Society's heroic treatment of working late hours by showing the flip side of sleep deprivation. Cost to economy, cost to individual health and cost to life span is all too big.
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4.7 out of 5 stars
4.7 out of 5
9,460 global ratings