Don't remember the last time I slept through. Probably decades ago, as I'm now pushing 80. Audiobooks help. Ideally autobiographies/non-fiction, which you can dip in and out of. Daren't drink anything after about 8 p.m., otherwise I'd be on regular loo patrol all night long, which is bad enough as it is. Usually awake permanently at around 5 a.m., but try to stay in bed until 6'ish, which seems slightly more civilised. Inevitably, a Nana nap is required during the afternoon, which can last up to an hour. No complaints though, as at least I do get some sleep at night, occasionally as much as 6 hours, although not continuously. Goes with the territory, I guess.