0 1 2 3 Thu 04 Dec 1980 Tue 09 Dec 1980 Sun 14 Dec 1980 Fri 19 Dec 1980 Wed 24 Dec 1980 Mon 29 Dec 1980 Sat 03 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