Absolutely. As Toni Morrison, "don't try to push through it" because if you do it will show in the writing. However, there are some things you can do. For me, it helps to have a written conversation with my characters. Also, just a take a day (or a few days) off and have some fun. Forget about writing for a while. And finally, baths are God's gift to writers. Dalton Trumbo wrote in the bathtub!
