Mathematician turned philosopher Nancy Cartwright says no; reality is ultimately too complex for that.
Rapid eye movement may indicate neural activity, but dreaming for me implies a conscious awareness of the dream state, which I consider as unlikely in spiders.
“Modern physics was founded on the separation of mind and matter.” Indeed, it was. And if that doesn’t work, materialism is dead.
“If cosmic inflation and quantum field theory are both correct, then the Multiverse arises as an inevitable consequence of the two.”
“Any paper that discusses or describes singularities in the field equations of general relativity is discussing extra-natural objects.”