0 1 2 3 Wed 24 Dec 1980 Wed 31 Dec 1980 Wed 07 Jan 1981 Wed 14 Jan 1981 Wed 21 Jan 1981 Wed 28 Jan 1981 Wed 04 Feb 1981 Wed 11 Feb 1981 Wed 18 Feb 1981 Wed 25 Feb 1981 Wed 04 Mar 1981 Wed 11 Mar 1981 Thu 12 Mar 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