11. Always take off your bra before going to bed.
As much as you might be tempted to leave your bra on before sleep, hearing all the stuff about your breasts becoming perkier thanks to this, doctors warn against it. A bra, especially a tight or wired one, constricts your blood circulation, leading to health problems. In addition, it causes skin irritation, restlessness due to discomfort, and darkening of the skin under the straps and wire.