Sorry, there's no cheat codes for beds in Pixie Hollow. But there's some secret codes for Storage items. Here's some you can try:
Storage Items
Furniture
• 382593 for the Autumn Eve Sofa
• 547694 for the Eggshell Tea Table Bluebell Blue
• 872638 for the Garden Lounge Chair
• 716585 for the Heart Leaf Stand
• 923954 for the Toadstool Furniture Set
• 530413 for the Violet Blossom Swing
• 161373 for the Walnut Bookshelf
• 690890 for the Water drop Wall Shelf Purple Petunia
Lamps
• 898909 for the Bellflower Lamp
• FLY for the Buttercup Floor Lamp Spring Breeze Green
Decorations
• 947774 for the Cerulean Butterfly Glider
• 633877 for the Lilac Butterfly Glider
• 409826 for the Ruby Butterfly Glider
• 317105 for the Chatter
• 747906 for the Crocus Bulb Pitcher Purple Heather
• 492967 for the Forest Cap Thimble
• 499840 for the Leaf Wrap Kettle
• 728808 for the Mainland-Style Finger Harp Pale Rose Red (formerly awarded the Mainland-Style Finger Harp)
• 128288 for the Oyster Shell Mirror Green Fern
• 194830 for the Raindrop Mirror
• 902156 for the Trinket Chest
Storage Items
Furniture
• 382593 for the Autumn Eve Sofa
• 547694 for the Eggshell Tea Table Bluebell Blue
• 872638 for the Garden Lounge Chair
• 716585 for the Heart Leaf Stand
• 923954 for the Toadstool Furniture Set
• 530413 for the Violet Blossom Swing
• 161373 for the Walnut Bookshelf
• 690890 for the Water drop Wall Shelf Purple Petunia
Lamps
• 898909 for the Bellflower Lamp
• FLY for the Buttercup Floor Lamp Spring Breeze Green
Decorations
• 947774 for the Cerulean Butterfly Glider
• 633877 for the Lilac Butterfly Glider
• 409826 for the Ruby Butterfly Glider
• 317105 for the Chatter
• 747906 for the Crocus Bulb Pitcher Purple Heather
• 492967 for the Forest Cap Thimble
• 499840 for the Leaf Wrap Kettle
• 728808 for the Mainland-Style Finger Harp Pale Rose Red (formerly awarded the Mainland-Style Finger Harp)
• 128288 for the Oyster Shell Mirror Green Fern
• 194830 for the Raindrop Mirror
• 902156 for the Trinket Chest