This 12×18 inch poster is printed on premium, durable paper. Proudly Made in the USA by PosterEnvy. The perfect size for any room. PosterEnvy is a family owned business, delivering top-notch posters around the world for over 20 years. Our posters are designed to last they won’t fade or pucker for years of enjoyment. Every poster features crisp, vivid artwork. We are a solar powered company. This educational poster illustrates how sleep powers growth hormones, muscle recovery, enhanced immunity, and brain health with diagrams of skeleton, sleeping figure, cells, and brain. Includes sleep tips for students like regular bedtime and 9-11 hours.Premium Print: This PosterEnvy 12×18 inch poster is printed on Durable, Heavy Duty Paper, Designed to last many years. Features science of sleep diagrams showing growth repair, immunity boost, brain healthProudly Made in the USA: PosterEnvy is a Family owned business, delivering top-notch posters around the world for over 20 years. Ideal for science of sleep education, student health tips, biology classroomSolar Powered Production: All our posters are designed and printed using solar energy, with crisp vivid artwork. Depicts sleep benefits like muscle recovery, memory consolidation, immune functionEducational Sleep Science Design: Vibrant diagrams of skeleton, sleeping student, immune cells, glowing brain create curious empowering mood. Perfect for classrooms, dorms, study areas promoting healthy habitsPerfect Gift Idea: Great for students, teachers, parents focused on sleep hygiene, teen health. Ideal for back to school, science fair, wellness occasions with student sleep tips