0 1 2 3 Wed 19 Dec 1979 Thu 27 Dec 1979 Fri 04 Jan 1980 Sat 12 Jan 1980 Sun 20 Jan 1980 Mon 28 Jan 1980 Tue 05 Feb 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