0 1 2 3 Tue 11 Dec 1990 Wed 26 Dec 1990 Thu 10 Jan 1991 Fri 25 Jan 1991 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All