It helps regulate your bodys natural sleep-wake cycle, which makes you feel tired at the end of the day and wake up after resting
Boonstra AM, Schiphorst Preuper HR, Reneman MF, Posthumus JB, Stewart RE
doi: 10.2527/2001.79123104x
Autoantibodies to a 68/48 kDa protein in chronic fatigue syndrome and primary fibromyalgia: a possible marker for hypersomnia and cognitive disorders
As the estradiol from these follicles rises, the positive feedback to the pituitary causes the FSH/LH surge and is followed by mature oocyte release (ovulation)
But pills are much less expensive to produce, and as more medications are introduced to the market, prices of these therapies will continue to decrease