0 1 2 3 Thu 21 Jan 1971 Tue 26 Jan 1971 Sun 31 Jan 1971 Fri 05 Feb 1971 Wed 10 Feb 1971 Mon 15 Feb 1971 Sat 20 Feb 1971 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