A less common form of sleep apnea is central sleep apnea, in which the brain fails to signal the muscles that control breathing. Breathing then stops and oxygen levels drop correspondingly. Awakening in central sleep apnea is usually abrupt and may be accompanied by shortness of breath.
Add Items to make a Potion of Poison (0:45) In the Brewing Stand menu, you place ingredients in the top box and the potions are created in the bottom three boxes. To make a Potion of Poison (0:45), you will need 1 water bottle, 1 nether wart, and 1 spider eye. Add the Water Bottle.
Antifire potions are especially useful against metal dragons and the King Black Dragon, though only when combined with an anti-dragon shield or dragonfire shield. It doesn't work when used with Protect from Magic alone. The potion lasts for exactly 6 minutes per dose (24 minutes per 4-dose potion) It can be made by a player with 69 Herblore by mixing clean lantadyme and then dragon scale dust in a vial of water, which grants 157.5 Herblore experience.