0 1 2 3 Thu 01 Dec 1977 Tue 06 Dec 1977 Sun 11 Dec 1977 Fri 16 Dec 1977 Wed 21 Dec 1977 Mon 26 Dec 1977 Sat 31 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