Dylan Selterman and his colleagues asked 61 undergrads (aged 17-42; 47 women) to keep detailed, morning dream diaries for two weeks. Each evening the participants also kept records of what they'd been up to in the day, including their relations with their partner. Having a partner of at least six months duration was a requirement for taking part in the research.
Overall, last night's dream content was associated with the ensuing day's behaviour in ways you'd expect. Dreaming last night of being...