Is it dangerous to sleep with lenses?
It is not dangerous to sleep with the lenses. In contrast, most optometrists recommend that you do not sleep with their lenses in overnight as these can dry out your eye. The lens prevents the eyes natural tear film to moisten the eye as it usually does at every blink. Hygiene may also deteriorate. Opticians recommend that you pick out the lenses, clean them and thus takes care of contact lenses and eye in the best way. Sleeping with lenses in a short time will not be a problem, however.