 With more practical tips and useful advice, this is the Old Farmer's Almanac Radio Report for Monday, July 1st, the 183rd day of the year. Comedian Dan Aykroyd has a birthday, and Sony introduced the Walkman on this day in 1979. Summertime lifestyles typically mean less consistent sleep habits, and that can spell bad news for your heart health. Researchers have discovered that even with an adequate amount of sleep, individuals who went to bed 30 minutes past their regular bedtime had significantly higher heart rates while sleeping.