0 1 2 3 Mon 15 Jan 1973 Tue 23 Jan 1973 Wed 31 Jan 1973 Thu 08 Feb 1973 Fri 16 Feb 1973 Sat 24 Feb 1973 Sun 04 Mar 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