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Debunking Matrix
The claimEvidence C · limited

A cold shower / quick jumps fix it

The evidence

Sympathetic spike lasts 5-15 min, then a deeper crash follows. A stopgap when a nap is impossible — not a substitute.

The mechanism, in brief

How to live through the all-nighter day, organised by time:

Sources (2)
  • Hilditch, C. J., Centofanti, S. A., Dorrian, J., & Banks, S. (2017). A 30-minute, but not a 10-minute nighttime nap is associated with sleep inertia. Sleep, 40(1), zsw032.
  • Tefft, B. C. (2016). Acute sleep deprivation and risk of motor vehicle crash involvement. AAA Foundation for Traffic Safety Research Brief.
Go deeperRead the full mechanism →

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