Sleep apnea is a condition in which a person’s breathing pauses during sleep. The pauses may be brief or last several minutes, according to information from the National Institutes of Health. Fisher, 60, suffered a medical emergency on an international flight on Dec. 23. Her mother, longtime movie star Debbie Reynolds, died the following day. ... Fisher’s brother, Todd Fisher, said he was not surprised by the results... “I would tell you, from my perspective that there’s certainly no news that Carrie did drugs,” Todd Fisher said. He noted that his sister wrote extensively about her drug use, and that...