0 1 2 3 Tue 20 Jan 1981 Sun 25 Jan 1981 Fri 30 Jan 1981 Wed 04 Feb 1981 Mon 09 Feb 1981 Sat 14 Feb 1981 Thu 19 Feb 1981 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