It is a diuretic and might help remove the extra fluid, eventhough it won't increase circulation. The first medication that was suggested to me for sleep and pain relief was nortriptyline. I take it at bedtime.
You didn't specify prime time or American shows or cable or syndication or anything, so generally speaking, the American soap opera, Guiding Light may be the TV show with the most scripted episodes at 18,262 episodes. Technically it's more since it was on the radio for 15 years prior it moving to TV.
The Simpsons to become longest-running US TV series. The Simpsons is about to become the longest-running prime-time United States television series after Fox ordered two more seasons of the animated comedy, which started its run in 1989. Link to this video. By Noam Friedlander.