United Kingdom, May 9 -- Lennie James suffered night terrors after starring in 'The Walking Dead'.

The 59-year-old actor played Morgan Jones in the post-apocalyptic horror drama and in its spin-off, 'Fear the Walking Dead' - but Lennie struggled to leave the TV show behind when he wasn't on set.

Asked if he learned anything about survival from being on 'The Walking Dead', Lennie told the Guardian newspaper: "One of the byproducts of being in the zombie world for as long as I was, was I started having very vivid and lucid dreams. I would quite often wake up shouting in the midst of a night terror, waking the house and making it difficult for my wife to sleep next to me.

"Someone suggested CBD oil, and it works. So I'd take that into a d...