The first coiled spring mattress wasnt invented until 1871.
About 43% of children from ages 3 – 4 have a television in their bedrooms.
A person typically spends a third of their life sleeping.
The amount of sleep we need depends on many factors – especially our age. Infants may need 14 – 15 hours, toddlers 12 – 14 hours, school-age children 10 – 11 hours, while adults may only need 7 – 9 hours.
Many houses in America have at least two bedrooms – one for master bedroom and the other bedroom/s for either the children or guests.
Some studies tell us that bedroom air is polluted up to about 60% times or more in comparison to our living room which is about 30% more polluted than outside air.