BB IBD - HF vs. PE

Currently second year at a tier 1 BB in Europe in IBD (generalist, mostly M&A and pieces of ECM/DCM). While PE used to be favored exit opp coming into the job, I feel like this has changed quite a bit after having run processes with them in either side and having seen the kind of lifestyle these guys have (with BB-like hours and regular weekend work). I also hate that all their buying and selling is bound to lengthy M&A processes rather than being able to also act short-term and opportunistic when the environment is supportive/mispriced.

Now trying to get some more background on the HF industry with few questions in particular: 1) Do most HFs still look for candidates with prior buy-side experience, say 2 years in PE? 2) What kind of strategies actually look for someone coming from IB with pure business/finance non-quant education? Would expect smth like fundamental L/S equity, activists to be the way to go 3) Could anyone having moved from BB to HF share a piece on changes to hours? Currently average around 80h with regular Sundays. Adapting to earlier market mornings are no issue, but definitely want to be able to cut hours and reduce the weekends

Sorry for lengthy text - grateful about any kind of input (links to materials/posts also much appreciated)!