Phone keeps logging me out of apps

Hi my Oukitel K10000 keeps logging me out of my Facebook, Twitter ,Yahoo mail,Spotify and SoundCloud apps,This started happening a week after updating to marshmallow, how do I fix this?It is happening every time I wake my phone and try going into Facebook, Spotify, Twitter or SoundCloud apps,I have to keep signing into Facebook, Twitter, Spotify and yahoo mail and it is a bit annoying

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