0 1 2 3 Fri 21 Dec 1979 Wed 26 Dec 1979 Mon 31 Dec 1979 Sat 05 Jan 1980 Thu 10 Jan 1980 Tue 15 Jan 1980 Sun 20 Jan 1980 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