Contrast therapy involving alternating between hot sauna and cold ice baths can lead to feelings of relaxation, happiness, and pleasantness.

“But by 9:30 p.m. we were in bed and asleep by 10:00. And we woke up the next morning at 7:30. And that is not our typical schedule and certainly not his typical schedule. And that was very surprising to me, the contrast therapy, resetting my circadian rhythm.”