0 1 2 3 Wed 30 Nov 1977 Mon 05 Dec 1977 Sat 10 Dec 1977 Thu 15 Dec 1977 Tue 20 Dec 1977 Sun 25 Dec 1977 Fri 30 Dec 1977 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