There could be several reasons why your guy friend only texts you at night:
Busy schedule: It's possible that your friend has a busy schedule during the day and finds it more convenient to chat at night when he has more free time.
Night owl: Some people are naturally night owls and feel more active and communicative during the evening or nighttime.
Privacy and comfort: Nighttime can offer a sense of privacy and comfort, allowing him to open up and have more in-depth conversations without distractions.
Avoiding interruptions: During the day, he might be occupied with other activities, work, or responsibilities that make it harder to have uninterrupted conversations.
Preference for texting: Some people simply prefer texting over other forms of communication, and they might be more likely to engage in texting conversations during their preferred hours.
Flirting or romantic intentions: In some cases, texting at night could be a sign of romantic interest or flirting, as nighttime communication can feel more intimate.
Fear of rejection: If he's unsure about your feelings or the nature of your friendship, he might choose to text at night to test the waters without risking awkwardness during face-to-face interactions.
Comfort zone: Nighttime texting might be his comfort zone, and he may not have considered changing the pattern.
Regardless of the reason, if his nighttime texting makes you uncomfortable or if you prefer to have more balanced communication throughout the day, it's essential to communicate your feelings to him openly and honestly. Let him know how you feel about the late-night texting and see if there's a possibility to adjust the communication pattern to something that works better for both of you. Clear communication is key to maintaining healthy friendships and resolving any misunderstandings that may arise.