Promotes Relaxation With Melatonin & 5-HTP NOW Sleep Regimen 3-in-1 is formulated to relax the mind and promote restful sleep. This formula encourages relaxation and has melatonin to support the regulation of the body's sleep/wake cycle. 5-HTP has been included to support ...Promotes Relaxation With Melatonin & 5-HTP NOW Sleep Regimen 3-in-1 is formulated to relax the mind and promote restful sleep.