0 1 2 3 Sat 31 Jan 1948 Tue 03 Feb 1948 Fri 06 Feb 1948 Mon 09 Feb 1948 Thu 12 Feb 1948 Sun 15 Feb 1948 Wed 18 Feb 1948 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