0 1 2 3 Wed 05 Jan 1977 Thu 13 Jan 1977 Fri 21 Jan 1977 Sat 29 Jan 1977 Sun 06 Feb 1977 Mon 14 Feb 1977 Tue 22 Feb 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