0 1 2 3 Thu 13 Dec 1979 Sun 16 Dec 1979 Wed 19 Dec 1979 Sat 22 Dec 1979 Tue 25 Dec 1979 Fri 28 Dec 1979 Mon 31 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