0 1 2 3 Sun 20 Jan 1980 Fri 25 Jan 1980 Wed 30 Jan 1980 Mon 04 Feb 1980 Sat 09 Feb 1980 Thu 14 Feb 1980 Tue 19 Feb 1980 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