To sleep well near a window, it's important to control light, noise, temperature, and air quality. Using blackout curtains or blinds can block unwanted street lights and early sunlight, while window films offer additional privacy and glare reduction. To reduce noise, consider double or triple-glazed windows, thick curtains, or even white noise machines if necessary. Maintaining a comfortable temperature is key—thermal curtains or insulated glass can help prevent heat loss in winter and overheating in summer. If fresh air is desired, slightly opening the window with a screen can improve ventilation while keeping out insects and pollen. Air purifiers can help if the outside air quality is poor. For privacy, frosted films, privacy sheers, or top-down blinds are effective solutions. If you’re trying to sleep while leaning on a window during travel, using a neck pillow, sleep mask, noise-canceling headphones, and dressing comfortably can help ensure better rest.