Hi !!
Present simple or continuous.
1- Do you want something to eat ? (fact)
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2- Claire's in the bathroom. She is washing her hair. (the action is happening now)
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3- My sister and I don't (do not) watch TV very often. (fixed habit)
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4- Be quiet ! The baby .The baby is sleeping. (imperative means right now)
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EXPLANATION
present simple = for routines, generalizations, facts, when a frequency adverb is employed ( as n° 2 "often")
present continuous = when the action is happening now.
hope this helps ☺☺☺