0 1 2 3 Thu 07 Dec 1961 Mon 11 Dec 1961 Fri 15 Dec 1961 Tue 19 Dec 1961 Sat 23 Dec 1961 Wed 27 Dec 1961 Sun 31 Dec 1961 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