0 1 2 3 Tue 30 Nov 1976 Sat 04 Dec 1976 Wed 08 Dec 1976 Sun 12 Dec 1976 Thu 16 Dec 1976 Mon 20 Dec 1976 Fri 24 Dec 1976 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