Sleep
Passive Heat Therapy
Non-exercise heat such as sauna or hot baths used for relaxation; evening timing should support sleep, not delay it.
Passive heat therapy raises body temperature without exercise—sauna, hot bath, or heat packs—to promote relaxation and parasympathetic tone before sleep in some people. Evening timing matters: too late or too hot can delay sleep onset.
Keep sessions moderate when insomnia is present.
Common questions
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Is heat good before bed?
A warm bath or sauna one to two hours before bed helps some people; others sleep worse if core temperature stays elevated. Track sleep onset in your log.
Related terms
Put Passive Heat Therapy into practice
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