0 1 2 3 Thu 28 Dec 1972 Tue 02 Jan 1973 Sun 07 Jan 1973 Fri 12 Jan 1973 Wed 17 Jan 1973 Mon 22 Jan 1973 Sat 27 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