I would suggest that she exercise in the morning and turn off all her electronics by 8PM at night to give her body time to realize it should go to rest and sleep mode. Do not check email, Facebook, or play games on line. Stay off of the electronics and let your body gear down to rest mode.
60-100 beats while resting and 204 while exercising. All you have to do is subtract your age from 220
Into the endothelial and into venous circulation
2.5 million people are employed in the healthcare field
In the beginning of the 19th century.