0 1 2 3 Mon 03 Dec 1979 Fri 07 Dec 1979 Tue 11 Dec 1979 Sat 15 Dec 1979 Wed 19 Dec 1979 Sun 23 Dec 1979 Thu 27 Dec 1979 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