0 1 2 3 Sun 09 Dec 1979 Thu 13 Dec 1979 Mon 17 Dec 1979 Fri 21 Dec 1979 Tue 25 Dec 1979 Sat 29 Dec 1979 Wed 02 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