Police and CrimeStoppers are looking for a man in his 30s who sexually assaulted a woman while she was sleeping in her apartment on Aala Street yesterday. The man entered the apartment through a sliding door at  4 a.m. and sexually assaulted the woman. He's described as 5-feet-10, 175 pounds, with black hair and brown eyes.  He was wearing a dark red shirt and khaki cargo pants.  If you have information, call police or CrimeStoppers at 955-8300.