0 1 2 3 Sun 16 Dec 1979 Mon 24 Dec 1979 Tue 01 Jan 1980 Wed 09 Jan 1980 Thu 17 Jan 1980 Fri 25 Jan 1980 Sat 02 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