0 1 2 3 Mon 08 Dec 1980 Sat 13 Dec 1980 Thu 18 Dec 1980 Tue 23 Dec 1980 Sun 28 Dec 1980 Fri 02 Jan 1981 Wed 07 Jan 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