Many people have a disrupted or inconsistent sleep-wake cycle due to traveling, stress, work, lifestyle and various other factors. Vivitas Melatonin Extra Strength Tablets help to reset your sleep-wake cycle so you can overcome jetlag, insomnia and stress. Fall asleep more quickly and remain asleep through a normal sleep cycle including REM so you can wake up feeling healthy, rested and ready to tackle your day! 5 mg Melatonin Extra Strenght Tablets by Vivitas are all natural and safe. A great alternative to harsh drugs and sleeping pills!