0 1 2 3 Tue 26 Dec 1972 Sun 31 Dec 1972 Fri 05 Jan 1973 Wed 10 Jan 1973 Mon 15 Jan 1973 Sat 20 Jan 1973 Thu 25 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