Water has a specific heat capacity of about 4.2 Kilojoules per kilogram per degree Kelvin, so it would take about 6 Kilowatt Hours of electricity to heat 100 Litres of water from 15 degrees centigrade to 65 degrees centigrade. As a standard immersion heater is 3KW, so it would take 2 hours to heat 100 Litres of water.
Drinking a large amount of carbonated drinks at bedtime can also cause hiccups, as the air in these drinks can distend the stomach. Consuming a large amount of alcohol before going to bed is another possible cause of hiccups during sleep. The excessive amount of alcohol can cause the stomach to distend.
Hallucinatory (hypnagogic) sleep paralysis Causes: The Hag/Hallucinatory Sleep Paralysis is experienced when âhypnogogicâ (inability to perform voluntary movements during sleep) hallucinations are present. During these times, a person will feel as if someone is in the room with them â usually a fearful presence or an evil.