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.
A large number of medications may cause hiccups. Medications taken only at bedtime, such as sleep medicine, cause hiccups primarily during sleep. Other medications cause hiccups at other times of the day as well. These are examples of medications that may produce hiccups: Sleep medications: eszopiclone (Lunesta)
Other causes of sleep disturbance include sleep apnea, teeth grinding, allergies and colds, snoring, frequent urination, fibromyalgia, and nightmares. Sleep apnea causes breathing interruptions during your sleep, and teeth grinding (which is called bruxism) can cause you to wake up during the night.Allergies, colds, coughing, and upper respiratory infections can make it difficult for you to breathe at night.leep apnea causes breathing interruptions during your sleep, and teeth grinding (which is called bruxism) can cause you to wake up during the night.