Lisa Armstrong throws support behind Sheridan Smith after the actress asks ‘how some people sleep at night’

Lisa Armstrong has shown support for Sheridan Smith’s post [Splash] Ant McPartlin’s former wife, Lisa Armstrong has thrown her support behind actress Sheridan Smith, via Twitter.  The former Gavin and Stacey actress wrote a tweet to her 600,000 followers that read: “I seriously wonder how some people sleep at night.” The ambiguous, scathing message racked up 105 retweets and 1,214 likes and a retweet and response from Strictly Come Dancing makeup artist …