0 1 2 3 Thu 31 Dec 1981 Sun 03 Jan 1982 Wed 06 Jan 1982 Sat 09 Jan 1982 Tue 12 Jan 1982 Fri 15 Jan 1982 Mon 18 Jan 1982 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