0 1 2 3 Thu 20 Dec 1979 Tue 25 Dec 1979 Sun 30 Dec 1979 Fri 04 Jan 1980 Wed 09 Jan 1980 Mon 14 Jan 1980 Sat 19 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