0 1 2 3 Thu 23 Nov 1972 Fri 01 Dec 1972 Sat 09 Dec 1972 Sun 17 Dec 1972 Mon 25 Dec 1972 Tue 02 Jan 1973 Wed 10 Jan 1973 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