0 1 2 3 Sat 18 Nov 1972 Thu 23 Nov 1972 Tue 28 Nov 1972 Sun 03 Dec 1972 Fri 08 Dec 1972 Wed 13 Dec 1972 Mon 18 Dec 1972 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