After taking a break from resistance training for several weeks, aday should

After long weeks of training you should be able to have a break. The body needs to regain strength after the heavy workout and heal itself. Long training can cause some pains on some parts of the body such as music lessons cramps, sprains and joint pains.

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle