Hey! I'm doing OCR Sociology, Edexcel History and AQA English Lit, and honestly I don't find them /as/ demanding as I thought.
Sociology for me is my easiest subject - maybe because it's so interesting. We're doing Culture, Identity and Socialisation, + Media for Unit 1, then Research Methods, Gender Inequality + Social Inequality for Unit2. In terms of revision, for Unit 1 I fold a piece of paper in half and write the spec. question (my teacher gave us traffic light sheets w/ spec points on) on one side, then the answer on the other side, so either someone else can test me or I can, ask it's foldables. I make cue cards for Unit 2
History is something you need to consistently be making sure you understand throughout the year. It makes the run up to exams 10x easier. I find economic-based topics very boring and slow but other than that, I love it. Not sure what exam board your History is on? But I'm doing Communist States in the 20th century (USSR & GDR).
English Lit is so much fun. We're doing Tragedy so my texts this year are Tess of the D'urbervilles, Death of a Salesman, Othello and a selection of Keats' poems. Just make sure you know your texts inside and out, pick out key quotes (quality not quantity), plus themes and symbols, and you're good.
And lastly - I don't find I've been drowning in essays. So no fear!