0 1 2 3 Tue 25 Dec 1979 Wed 02 Jan 1980 Thu 10 Jan 1980 Fri 18 Jan 1980 Sat 26 Jan 1980 Sun 03 Feb 1980 Mon 11 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