Trippy and fun - read it in a weekend.
Similar premise to the Lathe of Heaven, but with a semi-scientific gloss.
About the book
**Memory makes reality.** That’s what New York City cop Barry Sutton is learning as he investigates the devastating phenomenon the media has dubbed False Memory Syndrome—a mysterious affliction that drives its victims mad with memories of a life they never lived. That's what neuroscientist Helena Smith believes. It’s why she’s dedicated her life to creating a technology that will let us preserve our most precious memories. If she succeeds, anyone will be able to re-experience a first kiss, the birth of a child, the final moment with a dying parent. As Barry searches for the truth, he comes…
Recursion by Blake Crouch, and books like it