The very first thing to do is re align , re unite with God through Jesus Christ. You're eating from both trees in the garden !! I'm obviously going with yes, you have an unwanted spirit. Why ? Because we are spirit beings that need to be filled with God, we walk away, even partially it leaves an empty space. What do you think fills that space even if it happens externally, through circumstances or odd things in the house or dreams ? No we need to be on a very firm foundation with God, denounce these things in the name of Jesus. This is a wake up call for you.
Listen I go room to room and clear my house every couple of weeks or so and pray a blessing and protection over it daily. I've seen this activity, don't let it take root. I also can't say how many people have commented on the feeling of peace in this house, both saved and unsaved people who know nothing of my activity.. Mostly increase your prayer life, scripture reading, align with God. You can't eat from both trees in the garden.
This is what I say or similar routinely.
I command any entity not of Jesus Christ to depart, be gone from here, in the name of Jesus Christ you have no business here. (Speak it out loud in your house, even out on your property if you sense activity out there).
Jesus Christ, Holy Spirit come fill this place, be with us here.
Daily now: In the name of Jesus I pray a blessing and protection over this house and property and my entire family and extended family saved or unsaved. (Eyes closed heart open, silent or vocal prayer, often whispered on my lips in the evening in my room alone). I feel this is important, especially in this time of Covid and civil unrest.
Then I go into my prayer list, presently has 26 or so people on it. Every night, I start in prayer for scripture, often immediately a book and chapter enters my mind and that's what I read if I don't already have a theme.
We live on earth to call on God and to glorify Him. Be anxious for nothing but In all things by prayer and supplication let your requests be known to God ( Philippians 4:6 ). We are live with Him 24/7 and Him with us. So what are you doing ? This doesn't have to be intense but it might be,it does need to be deliberate. Learn to run things before God. I went yesterday to the RMV to renew my license, new protocol there with Covid. So Lord, I don't know what I'm walking into, be with me, clear my path today. Ever meet a helpful kind RMV officer ? I did yesterday.